Improvement in wrenches



G. H. BUZZELL.

, WRENCH. No.183,901. Patented on. 31,1876.

WITNEEEEEMZ lNVENTElR U NITED STATES PATENT OEEIoE GEORGE H. BUZZELL, OFBOSTON, MASSACHUSETTS, ASSIGNOR TO HIMSELF AND FREDERICK E. STEVENS, OFSAME PLAUE.

IMPROVEMENT IN WRENCHES.

Specification forming part of Letters Patent No. 183,901, dated October31, 1876; application filed September 21, 1876.

To all whom it may concern:

Be it known that I, GEORGE H. BUzzELL, of Boston, in the county ofSuffolk and State of Massachusetts, have invented an Improved Wrench, ofwhich the following is a specification:

The object of my invention is to produce a wrench which may be readilyapplied to the removal of nuts or screws in places that are not readilyaccessible to wrenches of ordinary construction and the inventionconsists of two arms, which form the jaws, or to which the jaws may beattached, pivoted to and extending out from the end of a handle, andprovided with a sliding clasp surrounding each arm, by means of whichthe jaws can be readily adjusted to a nut or screw-head, and held inposition by means of a screw acting upon a central rod between the armsor jaws.

The accompanying drawing is a perspective view of a wrench embodying myinvention.

0. represents a handle, provided with a crosspiece, I), by which thewrench is more easily manipulated. g is a bar that extends out from theupper end ofthe handle, of a smaller diameter, and forming a part of thesame. To each side of the upper end of the handle, and in a recessformed in the same, are pivoted two arms, 0, provided at their ends eachwith a jaw, d, projecting at right angles with the same. Upon the arms00 is fitted a clasp, 0, each arm having its separate aperture. Theapertures of the clasp are so adapted that when the clasp is broughtdown in contact with the head it the arms or jaws are opened to theirfullest extent, so that when the clasp is moved upward the jawsgradually contract, so as to allow them to be fitted to nuts or screwsof different sizes. In the center of the clasp, between the two arms 0c, is a hole, in which fits the extension g of the handle, so as toallow the clasp to slide up and down freely. The extension or rod gserves as a guide to the clasp and to hold the same in position. Theclasp is secured in position for action bymeans of a thumb-screw, f,bearing against the extension-bar g, which allows the jaws to be adaptedto the nut as desired.

The extended jaws d (1 may be dispensed with, and the ends of the arms 00 may serve as jaws, if desirable. The bar 9 may also be dispensed withand the clasp held in proper position by means of a thumb-screw passingthrough one side or end of the clasp, and bearing directly upon one ofthe arms or aws 0.

My invention is more particularly adapted for use by plumbers, but isequally applicable for other or general uses.

In removing or attaching wash-bowls that are set in stationary frames,it is often very inconvenient to readily adjust a wrench to the nut orscrew that holds the bowl or basin in place, and when so adjusted it isinconvenient to operate the wrench.

With my invention this difficulty is overcome, as all that is necessaryto do is to set thejaws upon the nut or screw-head, push up the claspuntil the jaws securely grasp the nut, a slight turn of the thumb-screwfirmly retaining the jaws in a closed position, and then turning thewrench by the handle.

The handle a 1), heads h, and extension-bar g are designed to be cast inone piece, recesses being cored out for the reception of the ends of thearms 0 c.

What I claim as my invention, and desire to secure by Letters Patent,is-

1. The combination of the pivoted arms 0 c, jaws d d, the guide g, andthe sliding clasp e, secured in position by means of a screw,substantially as and for the purpose specified.

2. In combination with the pivoted arms a c, jaws d d, and sliding claspe, the guide g, recessed head It, and handle a, substantially as and forthe purpose set forth.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

GEO. H. EUZZELL.

Witnesses J. H. ADAMS, E. A. STooK.

